What? Neither!

"What? Neither!" you hiss. "I didn't even know it was them until I looked in."

"Yes, but you seem to have gotten a nice erection from it. Are you sure you weren't fantasizing you were in your mom's position, taking my daddy's big meaty cock up your hole? You sure didn't seem to mind my finger up there. Come on, you can tell me."

Mindful of the need to be quiet, you splutter out a quick denial, but Belinda just keeps smiling at you.

She glances down meaningfully at your crotch. "You know, if you want me to take care of that for you, I could."